| 1999 Investor Swedish Open | |
|---|---|
| Date | 5–11 July |
| Edition | 52nd |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $325,000 |
| Surface | Clay / outdoor |
| Location | Båstad, Sweden |
| Champions | |
| Singles | |
 Juan Antonio Marín[1] | |
| Doubles | |
 David Adams /  Jeff Tarango[2] | |
The 1999 Investor Swedish Open was a men's tennis tournament played on outdoor clay courts in Båstad, Sweden that was part of the World Series of the 1999 ATP Tour. It was the 52nd edition of the tournament and was held from 5 July until 11 July 1999. Unseeded Juan Antonio Marín won the singles titles.[3]
